Flat Panel Television User Manual

6.3. BRIGHT DOT DEFECTS
Bright dot defects appear as pixels or sub-pixels that are always lit or "on". These are the examples of bright dot defects:
6.4. DARK DOT DEFECTS
Black dot defects appear as pixels or sub-pix
els that are always dark or "off". These are the examples of black dot
defects:
6.5. PROXIMITY OF PIXEL DEFECTS
Because pixel and sub-pixels defects of the same type that ar
e nearby one another may be more noticeable, Philips also
specifies tolerances for the proximity of pixel defects. In the table below you can find specifications about:
• Allowed amount of adjacent dark dots = (adjacent dark dots =1 pair of dark dots)
• Minimum distance between dark dots
• Total no. of all defective dots
6.6. PIXEL DEFECT TOLERANCES
In order to qualify for repair due to pixel defects during the warranty period, a PDP/TFT panel in a Philips LCD display
must have pixel or sub-pixel defects exceeding the tolerances listed in the following table.
One lit red, green or blue sub-pixel
Two adjacent lit sub-pixels:
- Red + Blue = Purple
- Red + Green = Yellow
- Green + Blue = Cyan (Light Blue)
Three adjacent lit sub-pixels (one
white dot)
One dark dot
Two adjacent dark dots = 1 pair of
dark dots
Two dark dots, specifications define
the minimum distance between dark
dots
BRIGHT DOT EFFECT ACCEPTABLE LEVEL
MODEL BDL5530EL
1 lit sub pixel 0
BLACK DOT EFFECT ACCEPTABLE LEVEL
1 dark sub pixel 8
TOTAL DOT DEFECTS OF ALL TYPES 8
Note: * 1 or 2 adjacent sub pixel defects = 1 dot defect